body{
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.site_top{
    width: 1200px;
    height: 120px;
    margin: 0 auto;
    display: flex;
  justify-content: space-between;
}
.site_top_l{
    height: 100%;
display: flex;
align-items: center;
}
.site_top_l_input{
    width: 660px;
    height: 50px;
    background-color: #f1f1f1;
    border-radius: 50px;
    -o-border-radius: 50px;
    -moz-border-radius: 50px;
    -webkit-border-radius: 50px;
    display: flex;
    justify-content: space-between;
   margin-left: 80px;
}
.site_top_l_input>div{
    width: 100px;
    height: 100%;
    background-color: #fe6000;
    border-radius: 0 50px 50px  0;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}
.site_top_l_input>div span{
    font-size: 28px;
}
.site_top_l_input input{
    border: none;
    background-color: rgba(0, 0, 0, 0);
    padding-left: 25px;
    width: 450px;
}
.site_top_r{
    display: flex;
  justify-content: flex-end;
  align-items: center;
  color: #333;
  cursor: pointer;
  font-size: 18px;
}
.site_top_r span{
    color: #fe6000;
    margin-right: 10px;
}
.logen_bottom{
    color: #666;
    font-size: 14px;
    text-align: center;
    padding-top: 20px;
    padding-bottom: 25px;
}
.logen_bottom_top{
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}
.logen_bottom_top li {
    padding: 0 15px;
    border-right: 1px solid #989898;
    color: #666;
    font-size: 14px;
}
.site_content{

}
.site_content_top{
    background-color: #fe6000;
}
.site_content_top .list {

    width: 1200px;
    margin: 0 auto;
    display: flex;
    height: 60px;
}
.site_content_top .list>li {
width: 400px;
height: 60px;
text-align: center;
line-height: 60px;
color: #fff;
font-size: 18px;
cursor: pointer;
}

.main1,.main2,.main3,.main4 {
	width:100%;
	height:100%;
	display:none;
}

.site_content_top .list .checked {
	background-color: rgba(255, 255, 255, 0.8);
    color: #fe6000;
}
div.checked {
	display:block;
}
.site_content .main{
width: 1200px;
margin: 0 auto;
}
.site_content .main .main1,.main2,.main3{
    padding-top: 10px;
    padding-bottom: 80px;
}
.main1_top{
width: 115px;
height: 40px;
background-color: #fe6000;
color: #fff;
text-align: center;
line-height: 40px;
font-size: 20px;
border-radius: 5px;
-o-border-radius: 5px;
-moz-border-radius: 5px;
-webkit-border-radius: 5px;
margin-bottom: 20px;
}
.main1_c{
    margin-top: 30px;
}
.main1_c ul{
    padding: 10px 20px;
    width: 100%;
    box-shadow: 0 0 6px 1px rgba(148, 148, 148, 0.2);
   
}
.main1_c ul li{
    line-height: 40px;
    display: flex;
    
}
.main1_c ul li a{
    margin-right: 20px;
    color: #333;
    font-size: 16px;
}

.main1_c ul li div:nth-child(1){
  flex-shrink:0;
    color: #333;
    font-size: 16px;
    font-weight: 600;
    margin-right: 25px;
}
.main1_top_list{
    display:flex;
     flex-wrap: wrap;
}